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Finding the Fourth Proportional to 671,202.74, 926,050.77 and 380,766.11

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Solution

The fourth proportional to 671,202.74, 926,050.77 and 380,766.11 is: 525,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,202.74 : 926,050.77 = 380,766.11 : x
  2. Step 2: Convert to fraction form
    671,202.74/926,050.77 = 380,766.11/x
  3. Step 3: Cross multiply
    671,202.74x = 926,050.77 × 380,766.11
  4. Step 4: Simplify right side
    671,202.74x = 352,608,744,725.15
  5. Step 5: Solve for x
    x = 352,608,744,725.15/671,202.74
  6. Step 6: Final answer
    x = 525,338.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.